/*
 * Copyright (c) 2010 WiYun Inc.
 * Author: luma(stubma@gmail.com)
 *
 * For all entities this program is free software; you can redistribute
 * it and/or modify it under the terms of the 'WiEngine' license with
 * the additional provision that 'WiEngine' must be credited in a manner
 * that can be be observed by end users, for example, in the credits or during
 * start up. (please find WiEngine logo in sdk's logo folder)
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
#include "wyProgressBy.h"
#include "wyProgressTimer.h"
#include "wyNode.h"
#include "wyLog.h"
#include <math.h>

wyAction* wyProgressBy::copy() {
	return wyProgressBy::make(m_duration, m_delta);
}

wyAction* wyProgressBy::reverse() {
	return wyProgressBy::make(m_duration, -m_delta);
}

void wyProgressBy::start(wyNode* target) {
    wyIntervalAction::start(target);
    m_from = ((wyProgressTimer*)target)->getPercentage();
}

void wyProgressBy::update(float t) {
	((wyProgressTimer*)m_target)->setPercentage(m_from + m_delta * t);

	// super only call callback
	wyIntervalAction::update(t);
}

wyProgressBy::~wyProgressBy() {
}

wyProgressBy::wyProgressBy(float duration, float deltaPercent) :
		wyIntervalAction(duration),
		m_delta(deltaPercent),
		m_from(0) {
}

wyProgressBy* wyProgressBy::make(float duration, float deltaPercents) {
	wyProgressBy* a = WYNEW wyProgressBy(duration, deltaPercents);
	return (wyProgressBy*)a->autoRelease();
}
